How to track changes made to persistent objects, and write them into a separate table

The OnSaving and OnDeleting method of the persistent objects can be overridden to log create/update/delete actions into a separate table. This example demonstrates the basic implementation of this feature.

Note: eXpressApp Framework have built-in module for Audit purposes. This example demonstrates how to use this module in non XAF application: How to use XAF Audit Trail module outside XAF.